Festo MS4-LFR Filter Regulator 40μm G 1/8, 10 bar

  • RS Stock No. 125-9937
  • Mfr. Part No. MS4-LFR-1/8-D6-ERM-AS
  • Manufacturer Festo
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): HU
Product Details

FESTO MS-LFR Series Filter Regulators

The FESTO MS-LFR series offers a combined pressure regulator and filter. The MS4 and MS6 pneumatic filter regulators remove contaminants from compressed air down to a particle size of 5 μm or 40 μm (dependent on filter cartridge). The MS series regulators have a high flow rate and integrated return flow for exhausting air from port 2 to port 1.

Features and Benefits

  • Constant output pressure with return flow
  • Choice of fully automatic or manual drain
  • Plastic or fully integrated metal bowel guard
  • Can be fitted with analogue pressure gauge or sensor with LCD display
  • Rotary knob with a detent can be locked to prevent setting changes
  • Available in pressure ranges 0.3 bar to 7 bar and 0.5 bar to 12 bar
  • Available with G1/8 or G1/4 ports


  • Vertical assembly position
  • Manual rotary condensation drain
  • Standard nominal flow rate of 1,000 I/min
  • Optional mounting type of either front panel or line installation
  • G1/8 pneumatic connection
  • Aluminium die cast housing material
  • Rotary knob with lock actuator

Regulators and Filter Regulators

Attribute Value
Manufacturer Series MS4-LFR
Port Connection G 1/8
Drain Type Manual
Filtration Size 40µm
Pressure Gauge Port G 1/8
Pressure Gauge Port Thread Size 1/8 in
Port Connection Thread Size 1/8 in
Maximum Operating Pressure 10 bar
Maximum Ambient Operating Temperature +60°C
Minimum Process Operating Temperature -10 °C, 0 (UL) °C
Minimum Operating Pressure 0.8bar
Process Operating Temperature Range -10 to +60 °C, 0 to +50 (UL) °C
Proof Pressure 0.3 to 7bar
Port Connection Thread Standard G
Minimum Ambient Operating Temperature -10°C
Bowl Material Plastic
Maximum Process Operating Temperature +50 (UL) °C, +60 °C
Pressure Gauge Port Thread Standard G
Ambient Operating Temperature Range -10 to +60°C
4 Within 2 working day(s) (EU stock)
2 Within 2 working day(s) (EU stock)
Unit of sale: Each
Was €73.74
(exc. VAT)
(inc. VAT)
Per unit
1 +
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